Profile: Sea Frost offers a full line of marine refrigeration and freezer systems for pleasure boats. We provide complete refrigeration equipment. We build and repair boats. Our tradewind is designed to be used with wind power, solar panels and lots of battery back up. Our engine drive air complete system includes evaporator blower assembly, which includes blowers, hose adaptors, insulated aluminum housing, expansion valve, low pressure cut-out switch, fiberglass pan and wired terminals strip.